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Bank Accounts4

Boxes5

Bulk Verification3

Campaigns6

Cheques8

Contacts4

Events1

International API4

Letters7

Mailing List Imports5

Mailing Lists6

Postcards7

Reports10

Return Envelopes8

Self Mailers6

Snap Packs6

Standard API9

Sub-Organizations4

Targeted List Builds7

Template Editor Sessions3

Templates5

Trackers6

Virtual Mailboxes7

Webhooks6

Self Mailers

Changes to Progress Status

post/print-mail/v1/self_mailers/{id}/progressions

Jun 12, 202654cf11f8a76f Revision changes
- info
  added the optional property ///// to the response with the status
- info
  added the optional property ///// to the response with the status
May 1, 2026c8fedcbd705e Revision changes
- info
  endpoint added